Nearly half of Americans believe aliens have visited Earth, according to a poll.
The Drake equation explores the chances that detectable alien civilizations exist using seven variables.
While some predictions that use the equation are optimistic, a comprehensive new study suggests a strong likelihood that we’re alone in the Milky Way galaxy.
There’s also a roughly 38% chance that humans are completely alone in the visible universe.
A majority Americans believe in UFOs and just under half think extraterrestrial beings have visited Earth, according to a 2015 poll of about 1,000 adults in the US.
Though people in the US can barely pass a basic science quiz created by the government, it’s tempting to climb aboard the extraterrestrial train: There are hundreds of billions of galaxies in the visible universe, hundreds of billions of stars per galaxy, and untold numbers of planets around each star. It’s easy to imagine that alien life, perhaps an intelligent kind, is out there somewhere.See the rest of the story at Business Insider
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